MELISSA BLOCK, HOST:

Good morning. I'm Melissa Block. Physics professor Vinod Menon was recently sorting through a pile of mail at the City College of New York. He found a box addressed to him that had been gathering dust for a whole year. Inside, there were stacks of bills - $180,000. A letter explained that the anonymous donor was a grateful graduate. Authorities confirmed the money is clean, so now the gift will fund scholarships for a decade. It's MORNING EDITION. Transcript provided by NPR, Copyright NPR.